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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Product Warranties (Details) | 12 Months Ended
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Jun. 30, 2017
Malibu and Axis Products MY16 [Member] |
Product Warranty Liability [Line Items] |
Standard product warranty, period | 5 years
Malibu boats MY15 and prior [Member] |
Product Warranty Liability [Line Items] |
Standard product warranty, period | 3 years
Axis boats MY15 and prior [Member] |
Product Warranty Liability [Line Items] |
Standard product warranty, period | 2 years

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- Definition Standard Product Warranty, Period + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ProductOrServiceAxis=mbuu_MalibuboatsMY15andpriorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ProductOrServiceAxis=mbuu_AxisboatsMY15andpriorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |